Update: Authorities have arrested Nikko Jenkins on four counts of first-degree murder.
Law enforcement officials won't discuss the case ahead of an 11:30 press conference. (Follow Omaha.com for live coverage.)
But after Jenkins was arrested last week on an unrelated charge, sources said authorities wanted to question him in connection with four slayings committed since his release from prison on July 30. The homicides were:
• Andrea Kruger, a 33-year-old mother of three who was found shot to death about 2 a.m. Aug. 21 at 168th and Fort Streets.
• Curtis Bradford, 22. He was found shot to death Aug. 19 near 18th and Clark Streets.
• Jorge Cajiga-Ruiz, 29, and Juan Uribe-Pena, 26. Their bodies were found Aug. 11 inside a pickup in Spring Lake Park. Both had been shot.
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High-powered hunting ammunition — the type typically used in deer hunting — might have been used in the killings of four people in Omaha, including Andrea Kruger, during a 10-day spree in August.
Investigators have connected the 12-gauge Magnum slugs to at least some of the four slayings they believe might be linked.
They are also looking into a link between the ammo and Nikko A. Jenkins, a just-released prisoner with a history of carjackings, threats and erratic behavior.
Jenkins has not been charged in any of the killings.
Jenkins' friend Christine S. Bordeaux is accused of illegally buying two boxes of Brenneke Classic Magnum 12-gauge ammunition — commonly known to hunters as “deer slugs” — on Aug. 2 at Canfield's Sporting Goods, 8457 West Center Road.
Authorities are scrutinizing similarities between the Aug. 21 slaying of Kruger near 168th and Fort Streets, the Aug. 19 slaying of Curtis Bradford near 18th and Clark Streets, and the Aug. 11 slayings of Jorge Cajiga-Ruiz and Juan Uribe-Pena in South Omaha's Spring Lake Park, according to a law enforcement official who spoke on condition of anonymity.
Jenkins has been charged with two counts of being a felon in possession of weapons. Police have yet to disclose the caliber of the two weapons seized from him.
Jenkins, 26, was released from prison July 30, after serving more than 10 years for two counts of robbery and two counts of assault.
Bordeaux, 39, is being held at the request of the U.S. Marshals Service. Each box of ammo she bought had five slugs, according to the complaint against her.
She faces a federal charge of being a felon in possession of ammunition. Bordeaux had previously been convicted for unauthorized use of a credit card.
Douglas County Sheriff Tim Dunning said Tuesday that he is waiting on DNA results to help determine whether Jenkins is implicated in the killing of Kruger, 33, a mother of three. Results could come back as early as this week, he said.
DNA samples were taken from Kruger's car, he said. They also were taken from several locations where law enforcement officials made arrests last week.
Also Tuesday, a Douglas County judge ordered Jenkins held on $500,000 bail on one unrelated charge of terroristic threats. Prosecutors said that charge grew out of a series of threats that Jenkins or his family members made toward one of his female acquaintances.
The first involved a phone call in which Jenkins threatened to kill the woman and her family. She later reported that one of Jenkins' family members was outside her house. In another instance, the woman reported that someone associated with Jenkins appeared to be following her car.
Jenkins, asking to speak before the judge, said he never threatened the woman and called the incident “a relationship quarrel between two lovers.”
At one point, he referred to the woman as his spouse, although he is actually married to someone else.
Jenkins told the judge that the woman who reported the threats has his name tattooed on her face.
Jenkins' mother and a sister also appeared in court Tuesday in connection with the woman who reported being threatened.
Lori Jenkins and her daughter, Melonie, are accused of trying to intimidate the woman to prevent her from going to police.
Bail for Lori Jenkins, charged with one count of witness tampering, was set at $150,000. Melonie Jenkins' bail for two counts of witness tampering was set at $250,000.
Nikko Jenkins' other sister, Erica Jenkins, 23, was arrested Thursday on a warrant for criminal mischief. She did not appear in court Tuesday.